while循环与 for循环，函数定义与调用

import turtle
turtle.setup(600,400,0,0)
turtle.bgcolor('red')
turtle.color('yellow')
turtle.fillcolor('yellow')

def mygoto(x,y):
    turtle.penup()
    turtle.goto(x,y)
    turtle.pendown()

def draw5jx(r):
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(r)
        turtle.right(144)
    turtle.end_fill()

mygoto(-250,100)
draw5jx(100)

mygoto(-115,165)
draw5jx(35)

mygoto(-75,115)
draw5jx(35)

mygoto(-75,115)
draw5jx(35)

mygoto(-115,5)
draw5jx(35)

turtle.done()
    

import turtle

while True:
    turtle.color('red')
    turtle.bgcolor('yellow')
    turtle.forward(140)
    turtle.right(66)
    if abs(turtle.pos())<1:
        break

turtle.done()